roberts jr., who will administer the presidential oath of office. everyone please rise. >> please raise your right hand, and repeat after me. i, barack hussein obama, do solemnly swear. >> i, barack hussein obama, do solemnly swear. >> that i will faithfully execute. >> that i will faithfully execute. >> the office of president of the united states. >> the office of president of the united states. >> and will to the best of my ability. >> and will to the best of my ability. >> preserve, protect and defend. >> preserve, protect and defend. >> the constitution of the united states. >> the constitution of the united states. >> so help you god. >> so help me god. >> congratulations, mr. president. >> thank you. ♪ ♪ ♪ >> ladies and gentlemen, it is my great privilege and distinct honor to introduce the 44th president of the united states of america, barack h. obama. >> thank you. thank you. thank you so much. vice president biden, mr. chief justice, members of the united states congress, distinguished guests and fellow citizens, each time we gather